system_rev.h

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/*
 * Copyright (C) 2011 Jean-Christophe PLAGNIOL-VILLARD <[email protected]>
 *
 * Under GPLv2 only
 */

#ifndef __ARCH_SYSTEM_REV_H__
#define __ARCH_SYSTEM_REV_H__

#include <asm/system_info.h>

/*
 * board revision encoding
 * mach specific
 * the 16-31 bit are reserved for at91 generic information
 *
 * bit 31:
 *  0 => nand 8 bit
 *  1 => nand 16 bit
 */
#define BOARD_HAVE_NAND_16BIT   (1 << 31)
static inline int board_have_nand_16bit(void)
{
    return (system_rev & BOARD_HAVE_NAND_16BIT) ? 1 : 0;
}

#endif /* __ARCH_SYSTEM_REV_H__ */